classification
boutiqueJava random number traps
preface
We should be familiar with random numbers. We use them to generate Captcha in business, or we have low requirements for repeatability...
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boutiqueDetailed usage guide for the Java 8 Stream API
1. overview
An important feature introduced by Java 8 is undoubtedly the Stream API. Stream translates as "stream"...
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boutiqueFutureTask in Java
1. The previous article in the preface briefly introduced the Future interface in Java, leaving a hole. I will make up for it today...
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boutiqueHow to determine whether a string is a number in java
preface
Numbers are often represented and conveyed in strings in some fields. So how do we determine a string...
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boutiqueJava 14 New Features: JEP 359 Records(Preview)
1. Foreword Java 14 should be officially released this month (2020-03). There is a feature that the Java community has been calling for for a long time...
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boutiqueSharing some practical skills for Java ServletRequest
1. preface
ServletRequest is a Servlet Api that we often come into contact with when working on Java Web. Sometimes I...
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boutiqueJava rapid development QR code generation service
1. Preface I don't know when it started, but our lives were suddenly filled with QR codes, even the chickens of the ladies on the street...
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boutiqueJSON Class Library Jackson Elegantly Serializes Java Enumeration Classes
1. Preface In Java development, in order to avoid too many magic values, we use enumeration classes to encapsulate some static state generations...
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boutiqueFrom Java 9 to Java 17 to Java 12
There are not many features that are useful to developers in Java 12, but it is still useful.
String enhancement
Java ...
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boutiqueFutureTask 2 in Java
1. The first two chapters of the preface briefly analyze the Future interface and FutureTask. This article will introduce the use of FutureTask...
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boutiqueNew Generation Java Database Driver Specification-Reactive Driver Specification
1. Preface Responsive programming has been around in the Java programming world for a long time. High-performance, event-driven...
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boutiqueMap and flatMap operations in Java 8 Stream Api
1. preface
Java 8 provides a very easy-to-use Stream API that makes it easy to manipulate collections. Today we come...
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boutiquePeek operation in Java 8 Stream Api
1. Preface I described the map operation in the Java 8 Stream API in the detailed usage guide of the Java 8 Stream API...
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boutiqueFuture interface in Java
1. Introduction Java 1.5 provides the java.util.concurrent.Future interface to handle asynchronous calls and concurrency...
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